α Gel in Cosmetics

Abstract

Although α gel appears white homogeneous gel state, it often comprises a α type hydrated crystal phase, a water phase, and additional crystal phases that form a multiphase system depending on the situation. Further, as a simple preparation process, ingredients are often heated to be melted, then cooled down after homogenization. These facts may possibly be the reasons of difficulties for engineers to comprehension of the α gel. In this article, a new method of characterization of a water phase in the α gel that was carried out by our group in addition to the previous studies on the α gel.